My kids rcvd 4 total for X mas and b day in Dec-
My son leveled up Mario, Starfox and Kirby a little on smash Bros and he did the same for Peach for his Sister- but otherwise they have rarely used them- I even bought them a Sheik in April or May and he is still in the box - I don t think they have used any of them since
The gameplay value for Amiibo is minimal- You can go into most any store that stocks them and find tons of the "non rare" amiibo s on the shelves - Nintendo knows this and knows the gameplay demand is low and only the collector aspect for "rare amiibo" (due to artificial shortages) is high